@eg1995 Thanks for posting in our Q&A.
Based on my understanding, as long as you have an intune license, you can manage your devices and apps through intune. Intune standalone license is ok.
However, if you want to deploy the conditional access policy via intune, it is needed to have an Azure AD Premium license.
https://learn.microsoft.com/en-us/mem/intune/protect/conditional-access
Hope it will help.
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